The nurse must verify the dosage of IV heparin that a client is receiving. The IV contains heparin 25,000 units in 500 mL D5W. It is infusing at 20 mL/hr. The nurse knows that the client is receiving heparin at how many units per hour?
a. 50 units/hr c. 1000 units/hr
b. 500 units/hr d. 1500 units/hr
ANS: C
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A Incorrect: This does not deliver the prescribed dose.
B Incorrect: This does not deliver the prescribed dose.
C Correct: Divide 25,000 units by 500 mL to achieve how many units/mL = 50 units/mL, then multiply by 20 mL = 1000 units/hr.
D Incorrect: This does not deliver the prescribed dose.
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